spongebob456 spongebob456
  • 18-04-2017
  • Mathematics
contestada

I need a full explanation on -(i^2)
I know it equals 1, but how?

Respuesta :

merrygoroundtheworld
merrygoroundtheworld merrygoroundtheworld
  • 18-04-2017
i^2 is negative 1, but I see you have a negative sign there. So it is -(-1), which is 1.
Answer Link

Otras preguntas

3) In what way was Abraham Lincoln essentially forced to issue the Emancipation Proclamation?
what is the surface area of a pyramid if the length and width is 10 inches and the height is 9 inches?
-2(a + b[3a – a(4 - b)]) Need help pls.
Hs Geometry Solve for a
Help Plz! Simplify: [tex]\frac{2\sqrt[3]{9}}{1+\sqrt[3]{3}+\sqrt[3]{9} }[/tex]
-2(a + b[3a – a(4 - b)]) Need help pls.
What is the solution of each proportion? Thanks for the help
If the evidence you collect during experiments does not support your hypothesis, what should happen to that hypothesis.
Yardbird Landscaping has 52 m of fencing with which to enclose a rectangular garden. If the garden is x meters​ long, express the​ garden's area as a function o
Circle O and circle P are congruent. What can you conclude from the diagram?